khipita : [pp. of khipati] thrown out. (nt.), sneezing.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Khipita (nt.) [pp. of khipati=that which is thrown out; acc. to Trenckner Notes p. 75 for khupita fr. kṣu to sneeze; possibly a contamination of the two] sneezing, expectoration Pv ii.23 (expl. PvA 80: mukhato nikkhantamala); DhA i.314 (˚roga+kāsa, coughing).
   -- sadda the sound of expectorations D i.50; DhA i.250.

Pali-English Dictionary, TW Rhys Davids, William Stede,